WAbatus shackletoni
WAmphipneustes similis
WArizona bark scorpion
WBougainvillia muscus
WBourletiella arvalis
WCentrostephanus rodgersii
WChondrocidaris gigantea
WDiadema mexicanum
WDiadema paucispinum
WEchinococcus multilocularis
WEchinoderes
WEchinometra viridis
WHaliclystus octoradiatus
WHemicentrotus
WHoffmannius spinigerus
WLeucia nivea
WMicrocotyle donavini
WNymphon gracile
WRed sea urchin
WSminthurinus elegans
WSparicotyle chrysophrii
WToxopneustes roseus
WTripneustes depressus